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f, <br /> CHEMICAL MONITORING MONITORING LEVEL FOR WORK <br /> TASK FREQUENCY/ LEVEL FOR <br /> (OR CLASS) EQUIPMENT LOCATION RESPIRATOR USE STOPPAGE <br /> Oxygen/LEL Combustible Gas Meter Disruption of soil. From start of disruption of potentially < 19.5%use supplied > 10%LEL <br /> Disconnecting and contaminated soil through removal of air. <br /> removal of piping. any contaminated soil. <br /> Removal of the tank. <br /> Removal of <br /> contaminated soil. <br /> Ozone Ozone badge Wear ozone badge Monitor and document ozone readings 0.1 ppm.Use positive 5 ppm <br /> while on site. outside of ozone compound,control pressure air line or <br /> Ozone monitor Monitor andpanel,and along piping runs;inspect SC$A. <br /> document ozone fittings and tubing;collect vapor sample <br /> readings. from secondary containment pipes and <br /> well boxes. <br /> I <br /> Temperature WBGT Meter All tasks when Operate meter continuously during work Not Applicable Take breaks in <br /> temperature is> at temperature>95°F accordance <br /> 95°F. with ACGIH <br /> TLV guidance. <br /> Conoc <br /> SECO P Project <br /> SECORInternational Incorporated <br /> SECOR Project No. rP <br /> ? HASP CPT Drilling for V McCartney <br /> excerpts from 11193 <br /> g <br />